hyposulfite
nounUK /ˌhaɪpəʊˈsʌlfaɪt/
US /ˌhaɪpoʊˈsʌlfaɪt/
A hyposulfite is a chemical salt that contains sulfur and oxygen.
The chemist stored the hyposulfite sample in a sealed bottle.
RELATED WORDS
OTHER MEANINGS
2. An old-fashioned name for a thiosulfate compound used in photographic fixing.
Sodium hyposulfite was once widely used to fix photographic film.
3. A salt formed from hyposulfurous acid.
The lab produced a hyposulfite by reacting sulfur with a sulfite solution.
4. A term sometimes loosely used for any sulfur-containing reducing salt.
Older texts may call certain reducing agents hyposulfites.